Three-dimensional printer



1.1 is a perspective of a three dimensional printer according to anembodiment.

1.2 is a front view thereof.

1.3 is a back view thereof.

1.4 is a top view thereof.

1.5 is a bottom view thereof.

1.6 is a left side view thereof.

1.7 is a right side view thereof.

1.8 is a sectional view thereof.

1.9 is a perspective view of a three dimensional printer according toanother embodiment.

1.10 is a front view thereof.

1.11 is a rear view thereof.

1.12 is a right side view thereof.

1.13 is a left side view thereof.

1.14 is a top plan view thereof.

1.15 is a perspective view thereof showing the transparent covering in apartially opened position.

1.16 is a perspective view thereof showing the transparent covering anopened position.

1.17 is a perspective view thereof showing further environmental subjectmatter. The further environmental subject matter forms no part of theclaimed design.

The transparent cover on the upper side of the article can be opened orclosed. Broken lines show environmental subject matter and form no partof the claimed design. The parts shown in light gray in the referenceviews are made of transparent material; the light gray shading itselfshown in Figures 1.9-1.17 is provided only to indicate the transparentparts and forms no part of the claimed designs; Figure 1.8 is acrosssectional view taken along line A-A shown in Figures 1.2 and 1.10.

CLAIM The ornamental design for a three-dimensional printer, as shownand described.